Thanks for the response.
OK. I guess it makes sense - kind of the 80-20 principle - to not spend too much time and money in renovation of a segment that's a very small part of your sales.
When I say small, I mean under 500hp. It seems marine aux. engines with common rail or main engines don't start until 1000hp and up.
Although I did run into something new at the lower end of the power range -
www.mtudda.com.au/index.php?id=78#d (not a generator application)
Thorwald